Universal laws
Parkinsonâs law: Work expands to the time you give it. Shrink the time, shrink the task
Hofstadterâs law: Everything takes longer than you expect, even when you account for Hofstadterâs law.
Hanlonâs Razor: Never attribute to malice what is adequately explained by carelessness or stupidity.
The Preto Principle (80/20): Roughly 80% of the results come from 20% of the effort.
The Peter Principle: People get promoted until they reach a job they are bad at, then they stay there.
Hickâs law: More options means slower decisions. Cut the menu, decide faster.
Goodhartâs law: When a measure becomes a target, it stops being a good measure
The Dunning-Kruger Effect: The less you know, the more you overestimate how much you know.
Occamâs Razor: Assume the simplest explanation is the correct one until you have evidence that it isn't
Chestertonâs Fence: Donât tear something down until you know why it was built in the first place
Brookâs law: If you add more people to a projector thatâs already late, itâs going to be even more late, because we underestimate co-ordination costs.
Hitchenâs razor: What can be asserted without evidence, can be dismissed without evidence.
Coleâs law: itâs mostly shredded cabbage. 
Greenâs Law of debate: Anything is possible if you donât know what you are talking about.
Living in an old house law: Never change a light bulb unless it's a 3-day weekend.
Daveâs Law: Never start a âquickâproject at the end of the day. It will always take at least 3 times longer than if you start it tomorrow.
Jesse's Law: whatever time you tell your wife the project will take, she will need to multiply by three to be more accurate.
Lego's Law: If you are looking for it, you will not find it, but if you are not looking for it, it will be everywhere you look.
Maslow's Hammer: If all you have is a hammer, everything looks like a fâŚâŚ.g nail.
Murphyâs law: Anything that can go wrong will go wrong, and at the worst possible time.
Freberâs Law: Murphy was an optimist.
Murphyâs Law 2: If you have a 50/50 shot to get something right, 90% of the time youâll get it wrong.
Murphy's Law 3: the best way to get the right answer on the internet is not to ask a question but to post the wrong answer.
Thissenâs Gastronomical Law: "The hardness of the butter is directly related to the crumbiness of the bread.â
St. Achualys law: there is always someone on the internet that knows better.
The Cliver Theorem - The further you are from the actual work, the easier it is to do.
